Archive for the ‘newsletter’ tag

The last couple of weeks I was working on writing a mailing/newsletter system myself. One of the first questions that came up was “how do I prevent that my newsletter will be marked as spam”. Although this article has nothing to do with PHP I still like to put it in the spotlight. I will give some tips on how to avoid your mail being marked as spam, some you will know, others you won’t.

How is determined if my email is spam?
Mostly this is done by so called spam filters (server side or client side), some well known examples: